Rotary engine.



Patented Sept. 2, I902. E. L. SILL. ROTARY ENGINE.

(Application filed Jan. 15, 1900. Renewed July 16, 1902.)

(No Model.)

ESuz/nfm 11 and 12.

' lhurren drnrns PATENT EDIVARD L. SILL, OF WOODWVARD, OKLAHOMA TERRITORY.

ROTARY ENGlN E.

SPECIFICATION forming part of Letters Patent No. 708,414, dated September 2, 1902. Application filed January 15,1900. Renewed July 15, 1902. Serial No. 115,741. (No model.)

.To all whom it may concern:

' Be it known that I, EDWARD L. SILL, of the city of Woodward, Territory of Oklahoma, have invented certain new and useful Improvements in Rotary Engines, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming a part hereof.

My invention relates to rotary engines; and it consists of the novel construction, combination, and arrangement of parts hereinafter described and claimed. 1

The object of this invention is an improvement in the construction of the cylinders and the manner in which the operating pressure is admitted for revolving the driving-shaft.

Anotherobject is to improve the construction of the valve used for admitting the steam or hydraulic pressure and for reversing the movement of the engine.

In the drawings, Figure 1 is a front elevation of my complete invention with half in section, showing the construction of the interior mechanism. Fig. 2 is a vertical sectional view taken on the line a a of Fig. 1, showing the construction of the valve, driving-disk, supply and exhaust ports. Fig. 3 is a perspective view of the driving-disks made use of in my invention. Fig. 4: is a vertical sectional view of the valve and valve-casing to an enlarged scale.

In the construction of the device as shown I provide a subbase 1, constructed of suitable size to support my complete invention, consisting of two cylinders 2, being exact duplicates in construction. Therefore I show but one of said cylinders in section. The cylinders 2 are provided with cylinder-heads 3, each having at its center a hub 4 for the support of a driving-shaft 5, extending through both of said cylinders and provided at each end with a drive or pulley wheel 6. On each of the hubs is a' cap 7, supporting packing material in order to prevent any leakage of steam, hydraulic, or other power that is used for driving said engine. Within each cylinder and secured to the shaft 5 are driving-disks 8 and 9, which are separated from each other by a circular disk 10, so located as to be within the center of the cylinder, acting as a .division-wall, making two distinct compartments Each of these compartments is provided with two side inlets 13, one located on each side, (see Fig. 2,) and two exhaustoutlets 14, located at the bottom, making four inlets and four exhausts to each cylinder. The inlets are provided with pipes 15, extending upwardly and connected to a valve-casing 16, provided at its top with a supplypipe 17, through which the steam or pressure used is supplied from the point of generation. In the valve-casing 16 is a valve 18, mounted on a. shaft 19, which extends through the entire valve, connecting both valve-casings, and is operated by means of a handwheel 20, located on the center of said shaft, in order that both of said valves may be operated together, so that the power pressure may be admitted in both cylinders at like periods. It will be observed by referring to Fig. 4 that the valve 18 is segmental in form and of such size that when the same is operated by means of the shaft 19 it will cut off two of the ports in said valve-casing and allow the pressure to pass through the supplypipe 17 and through two of the inlet-pipes 15 on one side of the cylinder, as indicated by the arrows shown in Fig. 2. The pressure as it passes through the pipes 15 strikes the recess 21, formed in the driving-disk 8, which will then be driven. forward until a like recess of the driving-disk 9 comes in contact with the inlet of the compartment 12. The driving-disks are so arranged and constructed (see Fig. 3) that the pressure will drive them alternately. Thus in this manner the driving-shaft is continuously rotated. While the pressure upon the recess 21 is in progress and the recess 22 immediately upon reaching the lowest point of the inlet, the pressure is then cut off and is allowed to escape through theeXhaust-pipe on the opposite side of the cylinder, as shown by the arrow in Fig. 2. Vhen it is desired to reverse the engine, the wheel 20 is operated, bringing the valve 18 in a position as shown by dotted lines in Fig.

4:, cutting off the inlet-pipes 15, which will then allow the pressure to pass from the supply-pipe 17 through the inlets on the opposite side of said cylinders, and in this mam ner the disks are revolved in opposite directions by the pressure coming in contact with the recesses 22 and will allow the exhaust to escape through the exhaust-pipe located opposite to the one previously described. Each of the exhaust-pipes may be provided with a cut-off valve and operated alternately according to the side on which the exhaust is to pass.

I claim- The improved engine, comprising two r0- tary engines separated a distance, a main shaft 5 which is common to both engines, two separate valve-casings, one for each of said engines, a rotary Valve in each casing, a rotary shaft 19 extending between said valvecasings and being connected to both valves,

and a single handhold located on said rotary shaft and adapted to move the latter and thereby simultaneously rotate the valves to 15 admit an equal amount of steam into both engines and to start them at the same time.

In testimony whereof I affix my signature in presence of two witnesses.

EDWARD L. SILL.

Witnesses:

THOS. M. DEEDS, L. M. LOWE. 

